(function () {
    if (getCookie("login_success") && getCookie("expires_at") && parseInt(getCookie("expires_at")) > (new Date()).getTime()) {
        var elementById = document.getElementById("login-btn");
        elementById.parentNode.removeChild(elementById);
    } else {
        var elementById2 = document.getElementById("logout-btn");
        elementById2.parentNode.removeChild(elementById2);
    }
})();

function getCookie(c_name) {
    if (document.cookie.length > 0) {
        c_start = document.cookie.indexOf(c_name + "=");
        if (c_start != -1) {
            c_start = c_start + c_name.length + 1;
            c_end = document.cookie.indexOf(";", c_start);
            if (c_end == -1) {
                c_end = document.cookie.length;
            }
            return unescape(document.cookie.substring(c_start, c_end));
        }
    }
    return "";
}